<template>
  <div class="shopcar-container">
    <div class="goodslist" v-for="(item,i) in goodslist" :key="item.id">
      <div class="mui-card">
        <div class="mui-card-content">
          <div class="mui-card-content-inner">
            <mt-switch v-model="$store.getters.getGoodsSelected[item.id]"
            @change="selectedchanged(item.id,$store.getters.getGoodsSelected[item.id])"></mt-switch>
            <img :src="item.thumb_path">
            <div class="info">
              <h1>{{item.title}}</h1>
              <p>
                <span class="price">￥{{item.sell_price}}</span>
                <numbox :initcount="$store.getters.getGoodsCount[item.id]" :goodsid="item.id"></numbox>
               <!--根据id删除store里的数据，根据索引删除goodslist里的数据-->
                <a href="#" @click="remove(item.id,i)">删除</a>
              </p>
            </div>
          </div>
        </div>
      </div>
    </div>

      <!--商品结算区域-->
      <div class="mui-card">
        <div class="mui-card-content">
          <div class="mui-card-content-inner jiesuan" >
            <div class="left">
              <p>总计：不含运费</p>
              <p>已勾选商品<span class="red">{{$store.getters.getGoodsCountAndAmount.count}}</span>件，总价￥<span class="red">{{$store.getters.getGoodsCountAndAmount.amount}}</span>元</p>
            </div>
            <mt-button type="danger">去结算</mt-button>
          </div>

        </div>
      </div>
  </div>
</template>

<script>
  import numbox from "../subcomponents/shopcar_numbox.vue"
  export  default {
    data(){
      return{
        goodslist:[]//购物车中所有商品的数据
      }
    },
    created(){
      this.getGoodsList()
    },
    methods:{
      getGoodsList(){
      //  获取到store中所有商品的数据，拼接出一个用,隔开的字符串
        var idArr=[]
        this.$store.state.car.forEach(item=>idArr.push(item.id))
        //如果购物车中没有商品，直接返回，不需要请求数据接口，否则会报错
        if(idArr.length<=0){
          return;
        }
        this.$http.get('api/goods/getshopcarlist/'+idArr.join(",")).then(result=>{
          if(result.body.status===0){
            this.goodslist=result.body.message
          }
        })
      },
      remove(id,index){
      //点击删除，把商品从store中根据传递的id删除，同时把当前组件的goodslist中对应要删除的那个商品，使用index来删除
        this.goodslist.splice(index,1)
        this.$store.commit('removeFromCar',id)
      },
      selectedchanged(id,val){
        //每当点击开关，将最新的开关状态同步到store中去
        //console.log(id+'---'+val)
        this.$store.commit('updateGoodsSelected',{id:id,selected:val})
      }
    },
    components:{
      numbox
    }
  }
</script>

<style scoped>
.shopcar-container{
  background-color: #eeeeee;
  /*多余部分隐藏*/
  overflow: hidden;
 

}
  .jiesuan{
    display: flex;
    justify-content: space-between;
    align-items: center;
    
  }
  .red{
      color: red;
      font-size: 16px;
      font-weight: bold;
    }
    .mui-card-content-inner{
      display: flex;
      /*居中*/
      align-items: center;
    }
    img{
      width: 60px;
      height: 60px;
    }
    h1{
      font-size: 13px;
    }
    .info a{
        font-size: 12px;
      }
      .price{
        color: red;
        font-weight: bold;
      }
</style>
